A welding apparatus for large size quartz products

By combining the conveying mechanism and rotating components, the problems of uneven temperature and easy cracking in the welding of large-size quartz tubes were solved, achieving uniform heating welding and improving the reliability and effect of welding.

CN117430319BActive Publication Date: 2025-11-25NINGBO YUNDE MATERIALS INC
View PDF 3 Cites 0 Cited by

Patent Information

Application Number
CN202311598719.5
Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
Filing Date
2023-11-27
Publication Date
2025-11-25
Estimated Expiration
2043-11-27

AI Technical Summary

Technical Problem

Existing technologies for welding large-size quartz tubes suffer from uneven temperature and a tendency to burst, resulting in poor welding quality.

Method used

Two sets of conveying mechanisms are used to move the quartz tube horizontally and bring it closer together. Combined with the outer welding mechanism and the inner welding mechanism, the outer and inner walls of the quartz tube are uniformly heated and welded by the reciprocating rotation of the outer and inner rotating parts.

Benefits of technology

The welding process achieved uniformity and reliability in quartz tube welding, and was convenient and effective.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN117430319B_ABST
    Figure CN117430319B_ABST
Patent Text Reader

Abstract

The application discloses a welding device for large-size quartz products, which comprises two sets of conveying mechanisms, the conveying mechanisms are used for horizontally placing quartz tubes and driving the quartz tubes to horizontally move, the two sets of conveying mechanisms are matched with each other and are used for moving the end portions of the two quartz tubes to be welded to each other, an outer welding mechanism has a ring-shaped outer rotating part which can rotate, the outer rotating part is sleeved outside the area to be welded of the two quartz tubes and is used for heating and welding the outer sidewalls of the quartz tubes, and an inner welding mechanism has an inner rotating part which can rotate, the inner rotating part is located inside the area to be welded of the two quartz tubes and is used for heating and welding the inner sidewalls of the quartz tubes. The outer rotating part and the inner rotating part can uniformly heat and weld the area to be welded, and the welding is convenient and reliable.
Need to check novelty before this filing date? Find Prior Art

Description

Technical Field

[0001] This invention relates to the field of welding, and more specifically to a welding device for large-size quartz products. Background Technology

[0002] Welding two large-sized quartz tubes together can produce a longer quartz tube. The existing welding method involves placing the two large-sized quartz tubes horizontally and welding them manually. This welding method has at least the following problems: the large-sized quartz tubes are fixed in place, and there is a tendency for uneven temperature during heating. The welding effect of the quartz tubes is poor and they are even prone to bursting. Summary of the Invention

[0003] To address the aforementioned problems, this invention proposes a welding device for large-size quartz products.

[0004] The technical solution adopted in this invention is as follows:

[0005] A welding device for large-size quartz products, comprising:

[0006] Two sets of conveying mechanisms are used to place the quartz tubes horizontally and drive the quartz tubes to move horizontally. The two sets of conveying mechanisms cooperate with each other to bring the ends of the two quartz tubes to be welded closer together.

[0007] The external welding mechanism has a rotatable annular external rotating component, which is sleeved on the outside of the area to be welded between the two quartz tubes, and is used to heat and weld the outer wall of the quartz tubes.

[0008] The internal welding mechanism has a rotatable internal rotating component located inside the area to be welded between the two quartz tubes, and is used to heat and weld the inner wall of the quartz tubes.

[0009] During actual welding, the outer rotating component can reciprocate to achieve uniform heating of the outer wall of the area to be welded, and the inner rotating component can reciprocate to achieve uniform heating of the inner wall of the area to be welded.

[0010] This application enables uniform heating and welding of the area to be welded by rotating the outer rotating part and the inner rotating part, making welding convenient and reliable.

[0011] The area to be welded as used in this application refers to the area where the ends of the two quartz tubes are brought together.

[0012] In one embodiment of the present invention, the conveying mechanism includes:

[0013] Support frame with slide rails;

[0014] The slide block is slidably mounted on the slide rail;

[0015] Support component, fixed on the slide, is used to support the quartz tube;

[0016] An electric push rod is used to drive the slide block to slide on the slide rail.

[0017] The position of the slide can be adjusted by the electric actuator, which in turn adjusts the position of the corresponding quartz tube, facilitating the welding operation. Specifically, the electric actuator can move the end of the quartz tube to the corresponding area of ​​the outer rotating component.

[0018] In one embodiment of the present invention, the support member includes a plurality of spaced-apart arc-shaped portions.

[0019] In one embodiment of the present invention, the inner sidewall of the outer rotating component has a plurality of equally spaced externally welded nozzles, which are used to spray flames to heat the quartz tube. The outer rotating component includes a fastener and two sub-components, which are fixed by the fastener. Each sub-component has teeth. After the two sub-components are fixed, the two teeth form a first gear, and the axis of the first gear coincides with the axis of the outer rotating component.

[0020] The external welding mechanism also includes:

[0021] The support base has an arc-shaped component with an arc-shaped mounting groove.

[0022] A support roller is installed in the arc-shaped groove. The outer rotating member is placed on the arc-shaped groove and its outer side wall contacts the support roller. The outer rotating member can rotate relative to the support base around its own axis.

[0023] The second gear is rotatably mounted on the support base, and the second gear meshes with the first gear of the external rotating component;

[0024] The first drive motor is used to drive the second gear to rotate, thereby causing the external rotating component to rotate.

[0025] In actual operation, the first component is placed on the mounting groove. The conveying mechanism controls the movement and docking of the two quartz tubes, and the docking area corresponds to the outer welding nozzle of the first component. Then the second component is placed on the first component, and the two components are fixed together by fasteners.

[0026] In one embodiment of the present invention, the outer side wall of the outer rotating member has an annular positioning groove, and the supporting roller is embedded in the positioning groove.

[0027] This design facilitates reliable positioning and rotation of the external rotating component. The external rotating component has a large mass, and through its own weight and the limiting effect of the mounting groove, it can rotate around its own axis under the drive of the first drive motor.

[0028] In one embodiment of the present invention, the outer side wall of the inner rotating member has a plurality of equally spaced inner welding nozzles, the inner welding nozzles being used to spray flames to heat the quartz tube, and the inner rotating member also has a third gear, the axis of the third gear being coincident with the axis of the inner rotating member.

[0029] The internal welding mechanism also includes:

[0030] The first inner tube has a first mating portion at its end, and the inner rotating member is rotatably mounted on the first inner tube and adjacent to the first mating portion shown.

[0031] The second drive motor is used to drive the third gear to rotate, thereby causing the inner rotating component to rotate.

[0032] The first drive vehicle is used to move the first inner tube and insert it into the quartz tube.

[0033] The second inner tube has a second mating part at its end, which cooperates with the first mating part to connect the first inner tube and the second inner tube.

[0034] The second drive unit is used to move the second inner tube and insert it into the quartz tube.

[0035] The first and second inner tubes connect to form mutual support, effectively reducing the up-and-down swaying of the first inner tube during operation.

[0036] In actual operation, two drive vehicles are used to insert the first inner tube and the second inner tube into the quartz tube and connect them, and the position is controlled so that the inner rotating part on the first inner tube corresponds to the area to be welded.

[0037] In one embodiment of the present invention, two sets of bases are further included, the bases having limiting tracks, and the first driving vehicle and the second driving vehicle move along the corresponding limiting tracks respectively.

[0038] In one embodiment of the present invention, one of the first docking portion and the second docking portion shown is a positioning post and the other is a positioning hole.

[0039] In one embodiment of the present invention, the inner welding mechanism further includes a support assembly disposed on the first inner tube and / or the second inner tube, the support assembly comprising:

[0040] The telescopic component has a movable rod that can extend and retract downwards;

[0041] An arc-shaped support is fixed to the lower end of the movable rod and is used to contact and engage with the lower part of the inner wall of the quartz tube.

[0042] The support components are designed to support the first and second inner tubes after docking, ensuring the stable and reliable operation of the inner rotating parts.

[0043] In one embodiment of the present invention, the lower end face of the arc-shaped support portion has a flexible pad.

[0044] One specific welding step in this application:

[0045] In the initial state, the outer rotating parts are not yet assembled, and one of the sub-parts is placed on the mounting groove;

[0046] Place the two quartz tubes to be welded on the arc-shaped part of the support of the conveying mechanism;

[0047] The electric push rod operates to control the movement of the slide, causing the two quartz tubes to move and dock, and aligning the docking area with the outer welding nozzle of the first component;

[0048] Then, the other component is placed onto the first component using hoisting equipment, and the two components are fixed together using fasteners.

[0049] Two drive vehicles work to insert the first inner tube and the second inner tube into the quartz tube and connect them, and control the position so that the inner rotating part on the first inner tube corresponds to the area to be welded;

[0050] When the telescopic component operates, the arc-shaped support moves downward and comes into contact with the lower part of the inner wall of the quartz tube;

[0051] The outer and inner welding nozzles spray flames. The first drive motor drives the second gear to rotate, thereby causing the outer rotating part to reciprocate and heat the outer wall of the area to be welded evenly. At the same time, the second drive motor drives the third gear to rotate, thereby causing the inner rotating part to reciprocate and heat the inner wall of the area to be welded evenly.

[0052] In the actual welding process, the two quartz tubes can also be controlled to squeeze each other to achieve a better bond.

[0053] The beneficial effects of this invention are: by rotating the outer rotating part and the inner rotating part, the area to be welded can be heated and welded evenly, making the welding convenient and reliable. Attached Figure Description

[0054] Figure 1 This is a schematic diagram of the welding equipment;

[0055] Figure 2 yes Figure 1 Enlarged view of point A in the middle;

[0056] Figure 3 This is a schematic diagram of the welding equipment from another angle;

[0057] Figure 4 yes Figure 3 Enlarged view of point B in the middle;

[0058] Figure 5 This is a schematic diagram of the two components before they are joined together;

[0059] Figure 6 This is a schematic diagram of the two components assembled and then fitted onto a quartz tube.

[0060] Figure 7 This is a cross-sectional view of a quartz tube being welded using welding equipment.

[0061] Figure 8 This is a partial schematic diagram of the first inner tube;

[0062] Figure 9 This is a partial schematic diagram of the second inner tube.

[0063] The labels for the attached figures are as follows:

[0064] 1. Quartz tube; 2. Conveying mechanism; 21. Support frame; 211. Slide rail; 22. Slide block; 23. Support component; 231. Arc-shaped part; 24. Electric push rod; 3. External welding mechanism; 31. External rotating part; 31a. Sub-component; 31a1. Gear; 31b. Fastener; 311. External welding nozzle; 312. First gear; 313. Positioning groove; 32. Support seat; 321. Arc-shaped part; 3211. Mounting groove; 33. Support roller; 3 4. Second gear; 35. First drive motor; 4. Internal welding mechanism; 41. Internal rotating component; 411. Internal welding nozzle; 412. Third gear; 42. First inner tube; 421. First docking part; 43. Second drive motor; 44. First drive vehicle; 45. Second inner tube; 451. Second docking part; 46. Second drive vehicle; 47. Base; 471. Limiting rail; 48. Support assembly; 481. Telescopic component; 482. Arc-shaped support part. Detailed Implementation

[0065] To make the objectives, technical solutions, and advantages of the embodiments of this application clearer, the technical solutions of the embodiments of this application will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of this application, and not all embodiments. The components of the embodiments of this application described and shown in the accompanying drawings can generally be arranged and designed in various different configurations.

[0066] In the description of this application, it should be noted that the terms "inner" and "outer," etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings, or the orientation or positional relationship commonly used when the product is in use. They are used only for the convenience of describing this application and for simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this application. Furthermore, the terms "first," "second," etc., are used only to distinguish descriptions and should not be construed as indicating or implying relative importance.

[0067] In the description of this application, it should also be noted that, unless otherwise expressly specified and limited, the terms "setup" and "connection" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection of two components. Those skilled in the art can understand the specific meaning of the above terms in this application based on the specific circumstances.

[0068] The present invention will now be described in detail with reference to the accompanying drawings.

[0069] like Figures 1-7 As shown, a welding device for large-size quartz products includes:

[0070] Two sets of conveying mechanisms 2 are used to place the quartz tube 1 horizontally and drive the quartz to move horizontally. The two sets of conveying mechanisms 2 cooperate with each other to bring the ends of the two quartz tubes 1 to be welded closer to each other.

[0071] The outer welding mechanism 3 has a rotatable annular outer rotating part 31, which is sleeved on the outside of the area to be welded of the two quartz tubes 1, and is used to heat and weld the outer wall of the quartz tubes 1.

[0072] The inner welding mechanism 4 has an inner rotating part 41 that can rotate. The inner rotating part 41 is located inside the area to be welded between the two quartz tubes 1 and is used to heat and weld the inner wall of the quartz tubes 1.

[0073] During actual welding, the outer rotating part 31 can reciprocate to achieve uniform heating of the outer wall of the area to be welded, and the inner rotating part 41 can reciprocate to achieve uniform heating of the inner wall of the area to be welded.

[0074] This application enables uniform heating and welding of the area to be welded by rotating the outer rotating part 31 and the inner rotating part 41, making welding convenient and reliable.

[0075] The area to be welded as referred to in this application is the area where the ends of the two quartz tubes 1 are brought together.

[0076] like Figure 1 and 2 As shown, in this embodiment, the conveying mechanism 2 includes:

[0077] Support frame 21, having slide rail 211;

[0078] The slide block 22 is slidably mounted on the slide rail 211;

[0079] Support member 23 is fixed on slide 22 and is used to support quartz tube 1;

[0080] Electric push rod 24 is used to drive slide block 22 to slide on slide rail 211.

[0081] The position of the slide block 22 can be adjusted by the electric push rod 24, which in turn adjusts the position of the corresponding quartz tube 1, facilitating the welding operation. Specifically, the electric push rod 24 can move the end of the quartz tube 1 to the corresponding area of ​​the outer rotating member 31.

[0082] like Figure 2 As shown, in this embodiment, the support member 23 includes a plurality of spaced arc-shaped portions 231.

[0083] like Figure 2 , 5 As shown in Figure 6, in this embodiment, the inner sidewall of the outer rotating member 31 has a plurality of equally spaced externally welded nozzles 311. The externally welded nozzles 311 are used to spray flames to heat the quartz tube 1. The outer rotating member 31 includes a fastener 31b and two sub-parts 31a. The two sub-parts 31a are fixed by the fastener 31b. Each sub-part 31a has a tooth 31a1. After the two sub-parts 31a are fixed, the two teeth 31a1 form a first gear 312. The axis of the first gear 312 coincides with the axis of the outer rotating member 31.

[0084] The external welding mechanism 3 also includes:

[0085] The support base 32 has an arc-shaped component 321, and the arc-shaped component 321 has an arc-shaped mounting groove 3211;

[0086] The support roller 33 is installed in the arc-shaped groove, and the outer rotating part 31 is placed on the arc-shaped groove and the outer side wall of the outer rotating part 31 contacts the support roller 33. The outer rotating part 31 can rotate relative to the support base 32 around its own axis.

[0087] The second gear 34 is rotatably mounted on the support base 32, and the second gear 34 meshes with the first gear 312 of the outer rotating member 31.

[0088] The first drive motor 35 is used to drive the second gear 34 to rotate, thereby causing the outer rotating component 31 to rotate.

[0089] In actual operation, the first component 31a is placed on the mounting groove 3211. The conveying mechanism 2 controls the two quartz tubes 1 to move and dock, and the docking area corresponds to the outer welding nozzle 311 of the first component 31a. Then the second component 31a is placed on the first component 31a, and the two components 31a are fixed together by fasteners 31b.

[0090] In practical applications, the preferred type of lifting seat is the liftable support seat 32.

[0091] like Figure 2 As shown, in this embodiment, the outer wall of the outer rotating member 31 has an annular positioning groove 313, and the supporting roller 33 is embedded in the positioning groove 313.

[0092] This design facilitates reliable positioning and rotation of the outer rotating component 31. The outer rotating component 31 has a large mass, and through its own weight and the limiting effect of the mounting groove 3211, it can rotate around its own axis under the drive of the first drive motor 35.

[0093] like Figure 3 and 4 As shown, in this embodiment, the outer wall of the inner rotating member 41 has a plurality of equally spaced inner welding nozzles 411, which are used to spray flames to heat the quartz tube 1. The inner rotating member 41 also has a third gear 412, the axis of which coincides with the axis of the inner rotating member 41.

[0094] The internal welding mechanism 4 also includes:

[0095] The first inner tube 42 has a first docking portion 421 at its end, and the inner rotating member 41 is rotatably mounted on the first inner tube 42 and adjacent to the first docking portion 421 shown.

[0096] The second drive motor 43 is used to drive the third gear 412 to rotate, thereby driving the inner rotating part 41 to rotate.

[0097] The first drive vehicle 44 is used to move the first inner tube 42 and insert it into the quartz tube 1;

[0098] The second inner tube 45 has a second docking part 451 at its end. The second docking part 451 cooperates with the first docking part 421 to connect the first inner tube 42 and the second inner tube 45.

[0099] The second drive unit 46 is used to move the second inner tube 45 and insert it into the quartz tube 1.

[0100] The first inner tube 42 and the second inner tube 45 are connected to each other to form mutual support, effectively reducing the up-and-down swaying of the first inner tube 42 during operation.

[0101] In actual operation, the first inner tube 42 and the second inner tube 45 are respectively inserted into the quartz tube 1 and connected by two drive vehicles, and the position is controlled so that the inner rotating part 41 on the first inner tube 42 corresponds to the area to be welded.

[0102] In this embodiment, two sets of bases 47 are also included, and the bases 47 have limiting tracks 471. The first driving vehicle 44 and the second driving vehicle 46 move along the corresponding limiting tracks 471 respectively.

[0103] like Figure 7 , 8 As shown in Figure 9, in this embodiment, one of the first docking portion 421 and the second docking portion 451 is a positioning post and the other is a positioning hole.

[0104] like Figure 2 and 7 As shown, in this embodiment, the inner welding mechanism 4 further includes a support assembly 48 disposed on the first inner tube 42 and / or the second inner tube 45. The support assembly 48 includes:

[0105] Telescopic component 481 has a movable rod that can extend and retract downwards;

[0106] The arc-shaped support part 482 is fixed to the lower end of the movable rod and is used to contact and cooperate with the lower part of the inner wall of the quartz tube 1.

[0107] The support component 48 is provided to support the first inner tube 42 and the second inner tube 45 after docking, ensuring the stable and reliable operation of the inner rotating component 41.

[0108] In practical applications, the lower end face of the arc-shaped support 482 has a flexible pad.

[0109] One specific welding step in this application:

[0110] In the initial state, the outer rotating part 31 is not yet assembled, and one of the sub-parts 31a is placed on the mounting groove 3211;

[0111] Place the two quartz tubes 1 to be welded on the arc-shaped part 231 of the support 23 of the conveying mechanism 2 respectively;

[0112] The electric push rod 24 operates to control the slide 22 to move, so that the two quartz tubes 1 move and dock, and the docking area corresponds to the outer welding nozzle 311 of the first component 31a;

[0113] Then, the other component 31a is placed onto the first component 31a using a hoisting device, and the two components 31a are fixed together using fasteners 31b.

[0114] Two drive vehicles work to insert the first inner tube 42 and the second inner tube 45 into the quartz tube 1 respectively for docking, and control the position so that the inner rotating part 41 on the first inner tube 42 corresponds to the area to be welded.

[0115] When the telescopic component 481 operates, the arc-shaped support part 482 moves downward and comes into contact with the lower part of the inner wall of the quartz tube 1.

[0116] The outer welding nozzle 311 and the inner welding nozzle 411 spray flames. The first drive motor 35 drives the second gear 34 to rotate, thereby causing the outer rotating part 31 to reciprocate and uniformly heat and weld the outer wall of the area to be welded. At the same time, the second drive motor 43 drives the third gear 412 to rotate, thereby causing the inner rotating part 41 to reciprocate and uniformly heat and weld the inner wall of the area to be welded.

[0117] In the actual welding process, the two quartz tubes can also be controlled to squeeze each other to achieve a better bond.

[0118] The above description is merely a preferred embodiment of the present invention and does not limit the scope of patent protection of the present invention. Any equivalent structural transformations made based on the description and drawings of the present invention, whether directly or indirectly applied to other related technical fields, are similarly included within the scope of protection of the present invention.

Claims

1. A welding device for large-size quartz products, characterized in that, include: Two sets of conveying mechanisms are used to place the quartz tubes horizontally and drive the quartz tubes to move horizontally. The two sets of conveying mechanisms cooperate with each other to bring the ends of the two quartz tubes to be welded closer together. The external welding mechanism has a rotatable annular external rotating component, which is sleeved on the outside of the area to be welded between the two quartz tubes, and is used to heat and weld the outer wall of the quartz tubes. An internal welding mechanism has a rotatable internal rotating component located inside the area to be welded between two quartz tubes, used for heating and welding the inner wall of the quartz tubes. The outer wall of the inner rotating component has a plurality of equally spaced inner welded nozzles, which are used to spray flames to heat the quartz tube. The inner rotating component also has a third gear, the axis of which coincides with the axis of the inner rotating component. The internal welding mechanism also includes: The first inner tube has a first docking portion at its end, and the inner rotating component is rotatably mounted on the first inner tube and adjacent to the first docking portion; The second drive motor is used to drive the third gear to rotate, thereby causing the inner rotating component to rotate. The first drive vehicle is used to move the first inner tube and insert it into the quartz tube. The second inner tube has a second mating part at its end, which cooperates with the first mating part to connect the first inner tube and the second inner tube. The second drive unit is used to move the second inner tube and insert it into the quartz tube. In the first docking part and the second docking part, one is a positioning post and the other is a positioning hole; during the welding operation, the first inner tube and the second inner tube are respectively inserted into the quartz tube and docked by the first driving vehicle and the second driving vehicle, and the position is controlled so that the inner rotating part on the first inner tube corresponds to the area to be welded. The inner welding mechanism further includes a support assembly disposed on the first inner tube and / or the second inner tube, the support assembly comprising: The telescopic component has a movable rod that can extend and retract downwards; An arc-shaped support is fixed to the lower end of the movable rod and is used to contact and engage with the lower part of the inner wall of the quartz tube. The lower end face of the arc-shaped support has a flexible pad.

2. The welding equipment for large-size quartz products as described in claim 1, characterized in that, The conveying mechanism includes: Support frame with slide rails; The slide block is slidably mounted on the slide rail; Support component, fixed on the slide, is used to support the quartz tube; An electric push rod is used to drive the slide block to slide on the slide rail.

3. The welding equipment for large-size quartz products as described in claim 2, characterized in that, The support member includes multiple spaced-apart arc-shaped sections.

4. The welding equipment for large-size quartz products as described in claim 1, characterized in that, The inner wall of the outer rotating component has multiple equally spaced externally welded nozzles. The externally welded nozzles are used to spray flames to heat the quartz tube. The outer rotating component includes a fastener and two sub-components. The two sub-components are fixed by the fastener. Each sub-component has teeth. After the two sub-components are fixed, the two teeth form a first gear. The axis of the first gear coincides with the axis of the outer rotating component. The external welding mechanism also includes: The support base has an arc-shaped component with an arc-shaped mounting groove. A support roller is installed in the mounting groove. The outer rotating member is placed on the mounting groove and its outer side wall contacts the support roller. The outer rotating member can rotate relative to the support base about its own axis. The second gear is rotatably mounted on the support base, and the second gear meshes with the first gear of the external rotating component; The first drive motor is used to drive the second gear to rotate, thereby causing the external rotating component to rotate.

5. The welding equipment for large-size quartz products as described in claim 4, characterized in that, The outer side wall of the outer rotating component has an annular positioning groove, and the supporting roller is embedded in the positioning groove.

6. The welding equipment for large-size quartz products as described in claim 1, characterized in that, It also includes two sets of bases, each with a limiting track, along which the first drive vehicle and the second drive vehicle move respectively.

Citation Information

Patent Citations

  • Equal-diameter glass tube welding device

    CN111825316A

  • Automatic fire polishing device for inner wall of quartz tube

    CN112573809A

  • Novel efficient butt joint and polishing device for quartz furnace tubes

    CN210633469U